(2000),[citation needed][18] and Ph.D. (2004) from Columbia University, where she submitted her doctoral dissertation, "Autonomy and Legitimacy of States: A Critical Approach to Foreign Intervention," under the tutelage of Rawlsian scholar Thomas Pogge.
[19] In the 1990s, Neumann worked as a journalist in Caracas for English-language newspaper The Daily Journal, and then in corporate planning and finance at Venezuelan petrochemicals conglomerate Corimon, the time of its ADR listing on the NYSE.
[20] While pursuing her doctorate, she volunteered for UNICEF for four years, starting in 2001,[21] raising funds from individual and corporate donors and traveling to Tanzania to coordinate with the local health administration on tetanus vaccinations.
At the Centre for Applied Philosophy and Public Ethics (CAPPE) in Canberra, Australia, in 2006, she supported Thomas Pogge's research into reform of the global institutional order for the alleviation of extreme poverty.
While working as adjunct assistant professor of philosophy at Hunter College of The City University of New York, she was also an analyst at the International Institute for Strategic Studies in London, where she conducted research into Latin American security, particularly the role of Venezuela in providing haven and funding for the Colombian FARC guerrilla movement.
[33] Neumann is a commentator on politics and a vocal critic of the Hugo Chávez and Nicolás Maduro regimes, and she cites organized crime conducted by them as a cause of oppression in her native Venezuela.
[24] Her book Blood Profits: How American Consumers Unwittingly Fund Terrorists has drawn support from exiled Venezuelan opposition leaders[26] and she cites organized crime by the Maduro regime as a cause of the economic collapse and human rights violations in her native Venezuela.
[31] Neumann's research on Venezuela and crime-terror pipelines has been cited in Matthew Levitt's book Hezbollah: The Global Footprint of Lebanon's Party of God (Washington, DC: Georgetown UP, 2013) and Louise Shelley's Dirty Entanglements: Corruption, Crime and Terrorism (New York: Cambridge UP, 2014), among other works.
[40][41] During the 2019 Venezuelan presidential crisis, a plenary session of Venezuela's National Assembly endorsed acting president Juan Guaidó's appointment of Neumann as his Ambassador and Chief of Mission to the Court of St. James (the UK).
[6] Neumann was a central figure in a landmark trial on who controls Venezuela's national gold reserves held at the Bank of England (Nicolás Maduro or Juan Guaidó) that took place in London's High Court, 22–25 June 2020.
It belongs to our people, to secure our nation’s future.”[43] On 2 July 2020, Justice Nigel Teare issued his decision: Her Majesty's Government of the United Kingdom "unequivocally" recognizes[44] Juan Guaidó as the president of Venezuela.
[49] ON 4 February 2022, Neumann was appointed to the board of Tintra, a UK bank and fast growing regtech firm listed on the AIM market of the London Stock Exchange.